(17S,18S)-17,18-isopropylidenedioxy-14-methyl-10-prop-2'-yl-(11)cytochalasa-6(7),13Z,19E-triene-1,21-dione

ethyl 3-((4S,5R)-5-formyl-2,2-dimethyl-1,3-dioxolan-4-yl)propanoate

ethyl (4S,5S,6E)-4,5-isopropylidenedioxy-8-oxonon-6-enoate

((4S,5S)-5-(3-ethoxy-3-oxopropyl)-2,2-dimethyl-1,3-dioxolan-4-yl)methyl benzoate

ethyl (4S,5S,2E)-6-benzoyloxy-4,5-isopropylidenedioxyhex-2-enoate